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  • Trusted Cooling Experts

Expert Air Conditioning & Cooling Solutions in the East Bay & Greater Bay Area

North Star Heating & Cooling delivers fast, energy-efficient air conditioning repairs, tune-ups, and custom installations—keeping your home or business cool, efficient, and comfortable all summer long.

24/7 Emergency AC Repair
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 19 reviews
  • About Our Cooling Services

Reliable Air Conditioning Solutions Built For Total Comfort

At North Star Heating & Cooling, we deliver top-rated air conditioning services for homes and commercial properties. Backed by certified technicians, we handle everything from emergency AC repairs and ductless mini-split setups to high-efficiency central air conditioning replacements.

Residential & Commercial Cooling

We proudly serve homeowners and commercial property owners across the East Bay & Greater Bay Area, tailoring custom cooling solutions to fit any building layout or budget.

Advanced Diagnostic Tech

Our technicians use modern leak detectors and smart diagnostic equipment to locate cooling issues fast and restore full performance on the first visit.

  • Certified & Experienced AC Specialists
  • Energy-Efficient & Eco-Friendly Cooling
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925-481-5323

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  • Our Services

Our Cooling Services — Complete AC Care You Can Trust

North Star Heating & Cooling delivers a full suite of air conditioning solutions tailored for maximum energy efficiency and cooling power. From immediate troubleshooting to full system replacements, our expert technicians ensure total indoor relief.
AC Repair & Diagnostics

AC Repair & Diagnostics

Rapid repair for frozen coils, refrigerant leaks, fan motor failures, and thermostat glitches to keep your home cool and operational.

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AC Tune-Up & Maintenance

AC Tune-Up & Maintenance

Comprehensive seasonal inspections, coil cleaning, airflow checks, and preventative care to maximize system lifespan and reduce energy bills.

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Central AC Installation

Central AC Installation

Expert replacement and installation of modern, high-SEER central air conditioning systems engineered for whisper-quiet efficiency.

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  • Same-Day Service Available
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  • Why Choose Us

Your Trusted Partner for Air Conditioning Solutions

Choosing North Star means fast turnaround times, transparent flat-rate pricing, and certified cooling specialists. We deliver high-efficiency cooling repairs and upgrades that protect your indoor comfort and lower monthly utility costs.
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  • Experience HVAC Service You Can Trust
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Certified & Skilled Technicians

Every technician on our team is EPA-certified, background-checked, and extensively trained in modern residential and commercial cooling systems.

Same-Day & Emergency Service

We offer flexible same-day scheduling and 24/7 rapid response for sudden AC breakdowns during intense summer heatwaves.

Customer-First Dedicated Care

We listen to your cooling concerns, explain all repair vs. replacement options clearly, and respect your home like it’s our own.

Transparent Upfront Pricing

We provide detailed, upfront estimates before work begins—guaranteeing no hidden fees, extra hourly costs, or surprise charges.

Need Fast And Reliable HVAC Service Today?

Our team is available 24/7 to handle urgent heating and cooling issues quickly and efficiently.

Need Any Help

925-481-5323

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  • Our Process

Simple, Fast & Reliable Cooling Service Process

At North Star Heating & Cooling, we follow a streamlined process to ensure every cooling service is handled efficiently and professionally. From booking to completion, our goal is to deliver a smooth,

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Request an AC service call online or by phone at a time that fits your busy schedule.

01

Initial Consultation

Our cooling experts review your system symptoms and prepare the correct parts prior to dispatch.

02

Inspection & Diagnosis

Techs perform a full diagnostic assessment of electrical components, airflow, and refrigerant pressure.

03

Precision Repair or Install

Certified technicians complete the AC repair or system installation using OEM factory parts.

04

Performance Verification

We thoroughly test temperature drops and system operation to ensure maximum cooling efficiency.

05
  • Our Previous Works

See How We Deliver Comfort And Efficiency

Discover how North Star Heating & Cooling helps homes and businesses achieve better climate control with reliable cooling services designed for long-lasting performance.

  • Real results, real comfort
  • Engineered for performance
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Residential Central AC Upgrade

High-efficiency central cooling system installation optimized for lower monthly power bills.

Ductless Mini-Split Installation

Multi-zone ductless cooling system setup providing tailored room-by-room temperature control.

Commercial Rooftop AC Service

Upgrading commercial rooftop cooling units for optimized airflow and low operating costs.

Emergency AC Compressor Repair

Same-day compressor replacement and refrigerant charge restoring fast cooling performance.
  • Testimonials

What Our Clients Say About North Star

We take pride in delivering reliable HVAC solutions and exceptional customer service. Here’s what our satisfied clients have to say about their experience with North Star.

Rated 4.9/5 by 5,000+ customers
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Michael Thompson

We've used North Star for HVAC maintenance across several of our rental properties. Reliable scheduling, fair quotes, and they always explain what's being done.

Michael Thompson

Property Manager

James Anderson

North Star came out same-day when our AC stopped working in 95-degree heat and fixed it within an hour. Professional, honest pricing, and great technicians!

James Anderson

Homeowner

David Wilson

As a business owner, I need HVAC issues fixed fast with minimal disruption. North Star's team is always responsive, transparent about costs, and gets the job done right the first time.

David Wilson

Business Owner

Christopher Lee

Our office AC went out during a heatwave and North Star had someone out within a few hours. Fair price, clear communication, and it hasn't given us trouble since.

Christopher Lee

Business Owner

  • Our Blogs

Expert Insights for Better Comfort

Stay informed with the latest HVAC tips, maintenance advice, and energy-saving strategies from the North Star experts.

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